<template>
	<view>
		<view class="smart-page-head">
			<view class="smart-page-head-title">checkbox多选框</view>
		</view>
		<view class="uni-padding-wrap uni-common-mt">
			<view class="uni-title uni-common-mt">默认样式</view>
			<view>
				<checkbox-group>
					<label>
						<checkbox value="cb1" checked="true"/>选中
					</label>
					<label>
						<checkbox value="cb"/>未选中
					</label>
				</checkbox-group>
			</view>
			<view class="uni-title uni-common-mt">不同颜色和尺寸的checkbox</view>
			<view>
				<checkbox-group>
					<label>
						<checkbox value="cb1" checked="true" color="#FFCC33" style="transform: scale(0.7)"/>选中
					</label>
					<label>
						<checkbox value="cb" color="#FFCC33" style="transform: scale(0.7)"/>未选中
					</label>
				</checkbox-group>
			</view>
		</view>
		<view class="uni-padding-wrap">
			<view class="uni-title uni-common-mt">
				推荐展示样式
				<text>\n使用 uni-list 布局</text>
			</view>
		</view>
		<view class="uni-list">
			<checkbox-group @change="checkboxChange">
				<label class="uni-list-cell uni-list-cell-pd" v-for="item in items" :key="item.value">
					<view>
						<checkbox :value="item.value" :checked="item.checked"/>
					</view>
					<view>{{item.name}}</view>
				</label>
			</checkbox-group>
		</view>
	</view>
</template>

<script>
	export default{
		data(){
			return{
				title:'checkbox 复选框',
				items:[{
						value:'USA',
						name:'美国'
					},{
						value:'CHA',
						name:'中国',
						checked:'true'
					},{
						value:'BRA',
						name:'巴西'
					},{
						value:'JPA',
						name:'日本'
					},{
						value:'ENG',
						name:'英国'
					},{
						value:'FRA',
						name:'法国'
					}
				]
			}
		},
		methods: {
			checkboxChange: function(e){
				var items= this.items,
					values = e.detail.value;
				for(var i =0,lenI=items.length;i<lenI;i++){
					const item =items[i]
					if(values.indexOf(item.value)>=0){
						this.$set(item,'checked',true)
					}else{
						this.$set(item,'checked',false)
					}
				}
			}
		}
	}
		
</script>

 
<style>
.uni-list-cell {
	justify-content: flex-start
}
</style>
